Environment & Ecology · Environmental Science
लाईकेन (Lichens) मुख्यतः किसके सूचक होते हैं?
- 1वायु प्रदूषण, विशेष रूप से SO2✓
- 2मृदा प्रदूषण
- 3ध्वनि प्रदूषण
- 4जल प्रदूषण
सही उत्तर देखें
वायु प्रदूषण, विशेष रूप से SO2
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